EP0693955B1 - Vorrichtung zur endomitrialen ablation - Google Patents

Vorrichtung zur endomitrialen ablation Download PDF

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Publication number
EP0693955B1
EP0693955B1 EP94914032A EP94914032A EP0693955B1 EP 0693955 B1 EP0693955 B1 EP 0693955B1 EP 94914032 A EP94914032 A EP 94914032A EP 94914032 A EP94914032 A EP 94914032A EP 0693955 B1 EP0693955 B1 EP 0693955B1
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Prior art keywords
electrode
power
electrodes
temperature
balloon
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Expired - Lifetime
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EP94914032A
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English (en)
French (fr)
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EP0693955A4 (de
EP0693955A1 (de
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Roger A. Stern
Vincent N. Sullivan
Robert L. Marion
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Covidien AG
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Sherwood Service AG
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    • A—HUMAN NECESSITIES
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    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A—HUMAN NECESSITIES
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    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
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    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1485—Probes or electrodes therefor having a short rigid shaft for accessing the inner body through natural openings
    • A—HUMAN NECESSITIES
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    • A61N1/02—Details
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    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
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    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
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    • A61B2018/00654—Sensing and controlling the application of energy with feedback, i.e. closed loop control with individual control of each of a plurality of energy emitting elements
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    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/1206—Generators therefor
    • A61B2018/124—Generators therefor switching the output to different electrodes, e.g. sequentially
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    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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    • A61B2018/1246—Generators therefor characterised by the output polarity
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    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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  • Thermotherapy And Cooling Therapy Devices (AREA)
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  • Thermistors And Varistors (AREA)
  • Electrotherapy Devices (AREA)
  • Constitution Of High-Frequency Heating (AREA)
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  • Superconductors And Manufacturing Methods Therefor (AREA)

Claims (5)

  1. Endometriumablationsapparat für die selektive Zerstörung der Endometriumauskleidung eines Körperorgans, wobei der Apparat Folgendes umfasst:
    einen von Hand gehandhabten Applikator (175) für das manuelle Steuern einer eingeschlossenen, expandierbaren, ausziehbaren Elektrodenkonstruktion (180), wobei dieser Applikator einen Einlass (176) aufweist für die Aufnahme eines elektrisch nichtleitenden Expansionsmediums und das Übertragen des Expansionsmediums an die expandierbare Elektrodenkonstruktion, wenn die Konstruktion sich in ausgezogener Position befindet, wobei der Applikator des weiteren einen Stromquelleneingang (177) für das Übertragen der elektrischen Stroms an die Elektrodenkonstruktion (180) enthält,
    die expandierbare Elektrodenkonstruktion (180) mit einer Vielzahl einzelner Elektrodenbereiche (170, 172) und einem Thermistor (163) ausgestattet ist, der mit jeder der Vielzahl einzelner Elektrodenbereichen (170, 172) assoziiert ist und des weiteren eine Vielzahl von Elektrodenstromverbindungen (164) enthält, wobei jede der Verbindungen elektrisch an einen entsprechenden Bereich unter der Vielzahl der einzelnen Elektrodenbereiche und einen entsprechenden Thermistor unter den Thermistoren angeschlossen ist, wobei die Elektrodenbereiche (170, 172) ein Serpentinenmuster bilden.
  2. Endometriumablationsapparat nach Anspruch 1, der des weiteren Folgendes umfasst:
    eine Stromversorgungsvorrichtung (197), die an den Stromquelleneingang angeschlossen ist, und
    ein elektrisches Rückführregelsystem (203, 204), das eine Temperaturregelvorrichtung enthält, die auf die Temperatur der Elektrode anspricht, um die Ausgabeleistung der Stromversorgungsvorrichtung zu regeln.
  3. Endometriumablationsapparat nach Anspruch 1 oder Anspruch 2, der des weiteren eine Temperaturmessvorrichtung enthält, die eine erste Schaltmatrix (210) für das selektive Aufbringen des elektrischen Stroms auf mindestens eine der Vielzahl der Elektrodenstromverbindungen, eine erste Bezugsspannung (Vref), eine zweite Bezugsspannung (VT) und eine zweite Schaltmatrixvorrichtung (240) für das Verbinden einer ausgewählten Elektrodenverbindung von mindestens einer dieser Elektrodenverbindung an die erste Bezugsspannung enthält, während sie gleichzeitig alle anderen der Elektroden an die zweite Bezugsspannung anschließt.
  4. Endometriumablationsapparat nach einem der Ansprüche 1 bis 3 für die Bereitstellung eine elektrischen Kontakts mit einer Endometriumauskleidung der Gebärmutter zum Zweck des Zerstörens der Endometriumauskleidung, wobei die Einheit Folgendes umfasst:
    eine expandierbare Blase (174) mit einer Innenfläche und einer Außenfläche, wobei eine der Innen- und Außenflächen mit einer Vielzahl einzelner Elektrodenbereiche (160) ausgestattet ist und die andere der Innen- bzw. Außenflächen mit einer Vielzahl von Thermistoren (163) ausgestattet ist, von denen jeder der Vielzahl der Elektroden entspricht,
       wobei jede der Vielzahl von Elektroden des weiteren eine Vielzahl an Öffnungen umfasst, wobei eine der Vielzahl von Öffnungen sich von der Außenfläche zur Innenfläche durch die Blase erstreckt und die ausgezogenen Öffnung eine elektrische Kontinuität bietet zwischen jeder Elektrode und der anderen Fläche,
       wobei die andere Fläche eine Stromverbindung (164) für jede der Elektroden enthält, wobei die Verbindungen sich von einem Ende der Blase zu einer entsprechenden ausgezogenen Öffnung erstrecken, wobei die Stromverbindung sich auch zum entsprechenden Thermistor (163) erstreckt,
       wobei das Verhältnis zwischen der Vielzahl von Öffnungen in jeder der Elektroden und Stromverbindungen eine gleichmäßige Erwärmung auf einer Fläche jeder der entsprechenden Elektroden bietet.
  5. Endometriumablationsapparat nach Anspruch 4, bei dem jeder der Thermistoren (163) des weiteren an eine gemeinsame Erdungsverbindung (227) auf der anderen Fläche angeschlossen ist.
EP94914032A 1993-04-14 1994-04-11 Vorrichtung zur endomitrialen ablation Expired - Lifetime EP0693955B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US46683 1993-04-14
US08/046,683 US5443470A (en) 1992-05-01 1993-04-14 Method and apparatus for endometrial ablation
PCT/US1994/003695 WO1994023794A1 (en) 1993-04-14 1994-04-11 Method and apparatus for endometrial ablation

Publications (3)

Publication Number Publication Date
EP0693955A1 EP0693955A1 (de) 1996-01-31
EP0693955A4 EP0693955A4 (de) 1998-01-07
EP0693955B1 true EP0693955B1 (de) 2003-01-02

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EP94914032A Expired - Lifetime EP0693955B1 (de) 1993-04-14 1994-04-11 Vorrichtung zur endomitrialen ablation

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US (3) US5443470A (de)
EP (1) EP0693955B1 (de)
JP (1) JP3566722B2 (de)
AT (1) ATE230284T1 (de)
AU (1) AU6625594A (de)
CA (1) CA2159483C (de)
DE (1) DE69431950T2 (de)
ES (1) ES2189801T3 (de)
IL (1) IL109296A0 (de)
TW (1) TW295539B (de)
WO (1) WO1994023794A1 (de)

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US8295902B2 (en) 2008-11-11 2012-10-23 Shifamed Holdings, Llc Low profile electrode assembly
US8323241B2 (en) 2009-06-24 2012-12-04 Shifamed Holdings, Llc Steerable medical delivery devices and methods of use
US8708953B2 (en) 2009-06-24 2014-04-29 Shifamed Holdings, Llc Steerable medical delivery devices and methods of use
US8805466B2 (en) 2008-11-11 2014-08-12 Shifamed Holdings, Llc Low profile electrode assembly
US8840601B2 (en) 2010-03-24 2014-09-23 Shifamed Holdings, Llc Intravascular tissue disruption
US8961550B2 (en) 2012-04-17 2015-02-24 Indian Wells Medical, Inc. Steerable endoluminal punch
US9333031B2 (en) 2013-04-08 2016-05-10 Apama Medical, Inc. Visualization inside an expandable medical device
US9655677B2 (en) 2010-05-12 2017-05-23 Shifamed Holdings, Llc Ablation catheters including a balloon and electrodes
US9795442B2 (en) 2008-11-11 2017-10-24 Shifamed Holdings, Llc Ablation catheters
US10098694B2 (en) 2013-04-08 2018-10-16 Apama Medical, Inc. Tissue ablation and monitoring thereof
CN109363764A (zh) * 2018-09-25 2019-02-22 嘉兴市妇幼保健院 射频阻抗预防乳腺癌术后内分泌疗法引起的子宫内膜癌
US10736693B2 (en) 2015-11-16 2020-08-11 Apama Medical, Inc. Energy delivery devices
US10933221B2 (en) 2015-11-09 2021-03-02 Kalila Medical, Inc. Steering assemblies for medical devices, and methods of use
US11052226B2 (en) 2015-04-24 2021-07-06 Kalila Medical, Inc. Steerable medical devices, systems, and methods of use
US11439298B2 (en) 2013-04-08 2022-09-13 Boston Scientific Scimed, Inc. Surface mapping and visualizing ablation system

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US5779698A (en) * 1989-01-18 1998-07-14 Applied Medical Resources Corporation Angioplasty catheter system and method for making same
GB9211085D0 (en) * 1992-05-23 1992-07-08 Tippey Keith E Electrical stimulation
US6161543A (en) 1993-02-22 2000-12-19 Epicor, Inc. Methods of epicardial ablation for creating a lesion around the pulmonary veins
US6315776B1 (en) * 1994-06-24 2001-11-13 Vidacare, Inc. Thin layer ablation apparatus
US6009877A (en) 1994-06-24 2000-01-04 Edwards; Stuart D. Method for treating a sphincter
US6056744A (en) * 1994-06-24 2000-05-02 Conway Stuart Medical, Inc. Sphincter treatment apparatus
US5843077A (en) * 1994-06-24 1998-12-01 Somnus Medical Technologies, Inc. Minimally invasive apparatus for internal ablation of turbinates with surface cooling
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CA2159483A1 (en) 1994-10-27
US6041260A (en) 2000-03-21
DE69431950T2 (de) 2003-11-13
TW295539B (de) 1997-01-11
JPH08508912A (ja) 1996-09-24
AU6625594A (en) 1994-11-08
CA2159483C (en) 2000-02-22
US5443470A (en) 1995-08-22
ATE230284T1 (de) 2003-01-15
JP3566722B2 (ja) 2004-09-15
WO1994023794A1 (en) 1994-10-27
EP0693955A4 (de) 1998-01-07
ES2189801T3 (es) 2003-07-16
US5713942A (en) 1998-02-03
IL109296A0 (en) 1994-07-31
EP0693955A1 (de) 1996-01-31
DE69431950D1 (de) 2003-02-06

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